122525321015 has 16 divisors (see below), whose sum is σ = 149062944288. Its totient is φ = 96665550336.

The previous prime is 122525321011. The next prime is 122525321047. The reversal of 122525321015 is 510123525221.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 122525321015 - 2² = 122525321011 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122525321011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3994979 + ... + 4025531.

It is an arithmetic number, because the mean of its divisors is an integer number (9316434018).

Almost surely, 2^122525321015 is an apocalyptic number.

122525321015 is a deficient number, since it is larger than the sum of its proper divisors (26537623273).

122525321015 is a wasteful number, since it uses less digits than its factorization.

122525321015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41618.

The product of its (nonzero) digits is 6000, while the sum is 29.

Adding to 122525321015 its reverse (510123525221), we get a palindrome (632648846236).

The spelling of 122525321015 in words is "one hundred twenty-two billion, five hundred twenty-five million, three hundred twenty-one thousand, fifteen".